406
Covers Montana
City facts
Bozeman area code
Area code for Montana: history, overlays and how to dial.
406
Bozeman uses area code 406.
About area code 406
How to call a number in Bozeman
Inside the US
1 (406) 555-0123Dial 1, the area code, then the seven-digit number.Local call
555-0123Many areas now require the area code for local calls too; if a seven-digit call fails, add it.From outside the US
+1 406 555 0123Use your country's exit code or +, then 1 for the US.Bozeman is on Mountain Time (MT); check the time before calling from another zone.
Other cities that share 406
Bozeman quick facts
Bozeman was founded on August 9, 1864. It is named for John Bozeman.
Founded1864August 9, 1864
CountyGallatin CountyMontana
Area code406Population55,042Census ACS estimateZIP codes259715, 59718Elevation4,817 ft1,468 m
Time zoneMountain TimeMT
Dates, namesake and elevation from Wikipedia: Bozeman, Montana and Wikidata (checked 2026-11-08); population and ZIP codes from the U.S. Census Bureau.
Questions
What area code is Bozeman?
Bozeman uses area code 406.
What time zone is area code 406 in?
Bozeman is on Mountain Time (MT).
What other cities use area code 406?
Other cities in this network that share 406 include Whitefish.
Sources: Area code 406 (Wikipedia) and Wikidata, checked 2026-11-08. Numbering plans change; the North American Numbering Plan Administrator is the official record.